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Stainless Steel Back PTFE Lined Bushing Composite Plain Self Lubricated Bushing

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Stainless Steel Back PTFE Lined Bushing Composite Plain Self Lubricated Bushing


PVB012 Stainless Steel Back PTFE Lined Self-lubricated Composite Plain Bushing


PVB012 Stainless steel self lubricating DU bearing is a special type DU bushing. It takes stainless steel as base material, sintered bronze as middle layer and PTFE as sliding layer. This type self lubricating bearing is also called SF-1S DU bearing, SS DU bushing, SS304 stainless steel sleeve bushing,SS316 stainless steel plain bushing bearing and etc


Material Structure




1. PTFE with Pb 0.01~0.03mm

2. Porous bronze 0.2~0.3mm

3. Stainless steel backing 0.7~2.3mm

4. Tin Plating


Characteristics



  • Low friction coefficient, good anti-wear, good anti-corrosion
  • Performs well in mid-acid and strong alkaline condition

Availability



  • Standard cylindrical bushings, flanged bushings, thrust washers and strips are availabe
  • Special designs are produced at short notice
  • Lead free type is also available

Application



PVB012 Stainless steel DU bushing is widely used for dyeing machine, ocean industry, chemical industry, valves,food Machine and etc


Technical Data



Specific load capacity (static)≤ 250 [ N/mm ]
Specific load capacity (dynamic)≤ 140 N/mm at low speeds
Specific load capacity(rotating oscillating)≤60N/m
Friction value0.08 to 0.2 (dry)0.02 to 0.08(hydrodynamic)
Temperature-200 to +280 [ °C ]
Max. dry running Pv (Short-term operation)3.6N/mm/s
Max. dry running Pv (Continuous operation)1.8N/mm/s
Max. speed (dry running)2m/s
Max. speed (Hydrodynamic operation)>2m/s

Tolerance Details



  • Housing ØH7

  • Bushing inner-Ø after mountingH9

  • Shaft tolerancef7 to h8


Mouting Suggestion



  • Housing: Mounting bevel min. 1.5 mm x 15-45°

  • Shaft Material:Steel, hardened or untempered, surface roughness ≤ Rz 2-3

  • Shaft: Mounting bevel 5 mm x 15°, edges rounded

  • The application of an adequate force fitting mandrel is advisable. Grease lubrication of the outer surface may be necessary when mounting.

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